.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.40.4.
.TH GNU "1" "December 2018" "diffutils 3.7" "User Commands"
.SH NAME
GNU cmp \- compare two files byte by byte
.SH SYNOPSIS
.B cmp
[\fIOPTION\fR]... \fIFILE1 \fR[\fIFILE2 \fR[\fISKIP1 \fR[\fISKIP2\fR]]]
.SH DESCRIPTION
Compare two files byte by byte.
.PP
The optional SKIP1 and SKIP2 specify the number of bytes to skip
at the beginning of each file (zero by default).
.PP
Mandatory arguments to long options are mandatory for short options too.
.TP
\fB\-b\fR, \fB\-\-print\-bytes\fR
print differing bytes
.TP
\fB\-i\fR, \fB\-\-ignore\-initial\fR=\fISKIP\fR
skip first SKIP bytes of both inputs
.TP
\fB\-i\fR, \fB\-\-ignore\-initial\fR=\fISKIP1\fR:SKIP2
skip first SKIP1 bytes of FILE1 and
first SKIP2 bytes of FILE2
.TP
\fB\-l\fR, \fB\-\-verbose\fR
output byte numbers and differing byte values
.TP
\fB\-n\fR, \fB\-\-bytes\fR=\fILIMIT\fR
compare at most LIMIT bytes
.TP
\fB\-s\fR, \fB\-\-quiet\fR, \fB\-\-silent\fR
suppress all normal output
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-v\fR, \fB\-\-version\fR
output version information and exit
.PP
SKIP values may be followed by the following multiplicative suffixes:
kB 1000, K 1024, MB 1,000,000, M 1,048,576,
GB 1,000,000,000, G 1,073,741,824, and so on for T, P, E, Z, Y.
.PP
If a FILE is '\-' or missing, read standard input.
Exit status is 0 if inputs are the same, 1 if different, 2 if trouble.
.SH AUTHOR
Written by Torbjorn Granlund and David MacKenzie.
.SH "REPORTING BUGS"
Report bugs to: bug\-diffutils@gnu.org
.br
GNU diffutils home page: <https://www.gnu.org/software/diffutils/>
.br
General help using GNU software: <https://www.gnu.org/gethelp/>
.SH COPYRIGHT
Copyright \(co 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
diff(1), diff3(1), sdiff(1)
.PP
The full documentation for
.B GNU
is maintained as a Texinfo manual.  If the
.B info
and
.B GNU
programs are properly installed at your site, the command
.IP
.B info GNU
.PP
should give you access to the complete manual.
